^differnt forms of UHMW (fancy hard plastic) or diffentent Variations of Plexi-Glass. It depends where you are to decide the price. Some places its cheaper than other, becuase of the plant is located or how big of an industry there is for that stuff.

And then, after all of that, I realized my belt was too small.
_____________________________________________________
"If you do a lot of rails, T.Hall's are better cause it has special jib edges." -FrOsTy29*